# Ratio and Proportion: Proportional Ratios

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 Mark yes or no for each pair or ratios below based on whether they are proportional. The first two are done for you. 1 : 2   and   2 : 4 Proportional?  yes 1 : 4   and   2 : 7   Proportional?   no 2 : 6   and   1 : 3 Proportional?    yes 4 : 5   and   8 : 12 Proportional?     no 3 : 4   and   7 : 12 Proportional?     no 5 : 6   and   10 : 12 Proportional?    yes 7 : 10   and   21 : 30 Proportional?    yes 10 : 2   and   6 : 1 Proportional?     no 3 : 9   and   9 : 27 Proportional?    yes Answer yes or no to the questions below based on whether the prices are directly proportional. 1 can of juice for \$2.00 and 4 cans for \$6.    no 5 liters of paint for \$12 and 10 liters for \$24    yes 75g of chocolate for \$1.50 and 150g for \$3.00   yes 3 pairs of socks for \$3.00 and 10 pairs for \$8.00     no 20 pencils for \$2.00 and 50 pencils for \$4.00     no

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Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:

Analyze proportional relationships and use them to solve real-world and mathematical problems

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